worst cust service

I bought a bb z3 at a cell c store n after a few months de fone cldnt read any sim card so I sent it back to the store n the guy there promised I would get it back after 3 weeks..3 weeks passed n still no feedback from the store and when I call the store the guy told me to Wait n after 5 weeks I clld de repair center n they told me they sent an email to the store a long tym ago for me to receive a new fone bcz de bbz3 have discontinued nw de ppl at de store are forcing me to tyk a mobicel o j one Samsung.. I do not want any of these phones n there is nothing I can do..I hate cell c..I feel ****** by cellc just bcz there was something wrong wit de z3 so I must suffer 4 it..its been 6 weeks now I don't HV a foun n I mic DT fone..I won't tyk a mobicell if I wanted a mobicell I would HV bought a mobicell..